<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div class="box">
    <form action="/login" method="post">
    <div class="box0">
        <label for="username">用户名</label>
        <input type="text" name="username" id="username">
    </div>
    <div class="box0">
        <label for="userpwd">密码</label>
        <input type="password" name="userpwd" id="userpwd">
    </div>
    <div class="box0">
         <input type="submit" name="submit" id="登陆系统">
    </div>
    </form>
</div>

</body>
</html>